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//
// ========================================================================
// Copyright (c) 1995 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.ee8.annotations;

import javax.naming.NamingException;
import javax.annotation.Resource;
import javax.annotation.Resources;
import org.eclipse.jetty.ee8.annotations.AnnotationIntrospector.AbstractIntrospectableAnnotationHandler;
import org.eclipse.jetty.ee8.webapp.WebAppContext;
import org.eclipse.jetty.plus.jndi.NamingEntryUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ResourcesAnnotationHandler extends AbstractIntrospectableAnnotationHandler {

    private static final Logger LOG = LoggerFactory.getLogger(ResourcesAnnotationHandler.class);

    public ResourcesAnnotationHandler(WebAppContext wac) {
        super(true, wac);
    }

    @Override
    public void doHandle(Class clazz) {
        Resources resources = (Resources) clazz.getAnnotation(Resources.class);
        if (resources != null) {
            Resource[] resArray = resources.value();
            if (resArray == null || resArray.length == 0) {
                LOG.warn("Skipping empty or incorrect Resources annotation on {}", clazz.getName());
                return;
            }
            for (int j = 0; j < resArray.length; j++) {
                String name = resArray[j].name();
                String mappedName = resArray[j].mappedName();
                if (name == null || name.trim().isEmpty())
                    throw new IllegalStateException("Class level Resource annotations must contain a name (Common Annotations Spec Section 2.3)");
                try {
                    //TODO don't ignore the shareable, auth etc etc
                    if (!NamingEntryUtil.bindToENC(_context, name, mappedName))
                        if (!NamingEntryUtil.bindToENC(_context.getServer(), name, mappedName))
                            LOG.warn("Skipping Resources(Resource) annotation on {} for name {}: no resource bound at {}", clazz.getName(), name, (mappedName == null ? name : mappedName));
                } catch (NamingException e) {
                    LOG.warn("Unable to bind {} to {}", name, mappedName, e);
                }
            }
        }
    }
}